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Table 2 Carotid duplex and LL arterial duplex findings and need for CT angiography

From: Assessment of carotid artery stenosis and lower limb peripheral ischemia before coronary artery bypass grafting operations: a non-randomized clinical trial

  Low risk group
N (%)
High risk group
N (%)
Chi-square
X2 P-value
Carotid artery stenosis ≥ 70% Only right 7 (3.9%) 11 (6.1%) 3.001 0.392
Only left 6 (3.3%) 10 (5.6%)
Bilateral 3 (1.7%) 1 (0.6%)
Patients requiring CT angiography for Carotid artery stenosis 5 (2.8%) 1 (0.6%) 2.712 0.100
LL arterial stenosis ≥ 50% Only right 1 (0.6%) 4 (2.2%) 3.896 0.273
Only left 3 (1.7%) 7 (3.9%)
Bilateral 7 (3.9%) 9 (5.0%)
Level of LL arterial affection Above knee 2 (1.1%) 5 (2.8%) 3.032 0.220
Below knee 9 (5.0%) 15 (8.3%)
Patients requiring CT angiography for LL artery stenosis 7 (3.9%) 9 (5.0%) 0.262 0.609
  1. LL Lower limb, CT Computed tomography